The caddies for the players in the Ryder Cup are the ones they use week to week on the professional tours.
It depends on what the golfer wants to pay. Most caddies do get 10% of the winners purse.
It would depend on the contract they have
A golfer's assistant is called a caddy. A caddy is paid by golfer. Most professional golfers have caddies.
Shower caddies are very useful for keeping someone's shower area organized. Numerous accessories can be put in the shower caddies such as shampoo or brushes.
Yes, they probably do have one written into their contracts. This would probably inlcude things like living and general expenses. The caddies would most likely have this just incase their player does not have a good tournament, as caddies get a percentage of their players winnings.
Luggage caddies - but you may need a euro to unlock one
Cupid's Caddies - 1917 was released on: USA: 16 January 1917
They could do, and you do see it on some professional tours. The only reason you don't see it on the PGA and European tours is because there are so many spectators who make it logistically impossible.
Up until 1983, all players were supplied caddies by Augusta National. From 1983 they were allowed to bring their own. They are the caddies who would caddy for the players on a week to week basis on tour.